Computer Installation Guide
Prox–DU & Prox–SU
www.gemalto.com
DOC119735A Public Use Page 18/59
Contact interface
The contact interface is available with the Prox–DU and the Prox–SU and is composed of a
smart card connector with a smart card slot located in the front cabinet for the Prox–DU and
located inside the casing for the Prox–SU.
Figure 15 – Contact card slot (Prox–DU and Prox–SU)
This contact interface complies with the ISO7816 standard.
LED interface
Two LEDs are available as visual indicators:
Figure 16 – Visual indicators
The indicators give information about the smart card interface as described in the next table:
Card Indicator Description
Off The card interface is deactivated
Slow Blink (0,2 s / 2 s) The card interface is ready
Blink (0,5 s / 1 s ) The card is present and inactive (powered off)
On The card is present and active (powered on)
Flashing The card communication is in progress
Table 5 – Prox–DU and Prox–SU indicator’s status
Note: When no SIM/SAM card is inserted into the Prox–SU, the yellow indicator will always
be off.
Contact card
yellow indicator
Contactless card
blue indicator